Arthropods from region Canada (North America) Arachnida Lamarck, 1801 Arachnids | 329 1176 3224 | Families Genera Species | Taxom
| Artiopoda ♰ Hou & Bergström, 1997 Artiopods | 2 3 5 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 22 69 189 | Families Genera Species | Taxom
| Cephalocarida Sanders, 1955 Cephalocarids, Horseshoe shrimps | 1 1 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 9 32 67 | Families Genera Species | Taxom
| Dinocaridida Collins, 1996 Wedgeheads | 3 6 9 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 38 85 114 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 27 136 369 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 707 11317 47199 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 266 930 2257 | Families Genera Species | Taxom
| Marrellomorpha ♰ Beurlen, 1930 Marrellomorph Arthropods | 1 2 2 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 120 390 969 | Families Genera Species | Taxom
| Megacheira ♰ Hou & Bergström, 1997 Great appendage arthropods | 4 6 11 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 10 24 26 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 94 358 625 | Families Genera Species | Taxom
| Pauropoda Lubbock, 1868 Pauropodans, Pauropods, Progoneates | 1 2 1 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 8 24 78 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 1 1 1 | Families Genera Species | Taxom
| Thylacocephala ♰ Pinna & al., 1982 Bivalve arthropods | 0 3 6 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 139 842 1328 | Families Genera Species | Taxom
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